JavaScript Functions and Scope of Variables

Which of the following best describes a global variable?

• A variable that is only accessible within a loop

• A variable that is accessible throughout the entire program

• A variable that is only accessible within a class

• A variable that is only accessible within a function

What keyword is used to declare a local variable in JavaScript?

• let

• const

• var

• function

What is a global variable?

• A variable declared inside a function

• A variable declared outside a function

• A variable that cannot be accessed by any function

• A variable that is only accessible within a loop.

What happens if you assign a value to a variable that has not been declared with the 'var' keyword?

• A) It becomes a local variable

• B) It becomes a global variable

• C) It causes an error

• D) It becomes a constant.

What does a rating of 4 mean in the self-assessment table?

• I can do this independently.

• I am an expert and I can teach the class.

• I can do this with help.

• I can't do this with help.

Fill in the blank: A rating of 1 in the self-assessment table means 'I can't do this with help. I need a (a)   lesson.'

• tutorial

• video

• practice

• guide

Fill in the blank: The syntax of a function in JavaScript is written by (a)   .

• Executers

• Programmers

• Debuggers

• Designers